[PATCH] librdmacm/rsockets: Support MSG_WAITALL with rsockets recv()
From: Sridhar Samudrala <hidden>
Date: 2012-08-15 23:55:16
Subsystem:
the rest · Maintainer:
Linus Torvalds
Support MSG_WAITALL flag with recv() when using rsockets. Signed-off-by: Sridhar Samudrala <sri-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
diff --git a/src/rsocket.c b/src/rsocket.c
index b9105a1..81f2654 100644
--- a/src/rsocket.c
+++ b/src/rsocket.c@@ -1131,6 +1131,7 @@ ssize_t rrecv(int socket, void *buf, size_t len, int flags) } } fastlock_acquire(&rs->rlock); +waitall: if (!rs_have_rdata(rs)) { ret = rs_get_comp(rs, rs_nonblocking(rs, flags), rs_conn_have_rdata); if (ret)
@@ -1167,6 +1168,10 @@ ssize_t rrecv(int socket, void *buf, size_t len, int flags) buf += rsize; } rs->rbuf_bytes_avail += len - left; + + if ((flags & MSG_WAITALL) && left) + goto waitall; + out: fastlock_release(&rs->rlock); return ret ? ret : len - left; --
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